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Experimental and Finite Elements Analysis of Bondline Flaw Criticality in Composite Scarf Joints

Kosmann, Jens and Holzhüter, Dirk and Gunnion, Andrew J. and Hühne, Christian (2014) Experimental and Finite Elements Analysis of Bondline Flaw Criticality in Composite Scarf Joints. ECCM16 - 16TH EUROPEAN CONFERENCE ON COMPOSITE MATERIALS, 22.-26. Juni 2014, Spanien, Seville. ISBN 978-84-616-9798-4

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Official URL: http://www.eccm16.org/

Abstract

Conventional design methods for bonded repairs to composite structure assume that the repair is in pristine condition. However, for a repair to be certified on primary structure, the repair must be designed to address damage tolerance and fatigue strength requirements, in addition to static strength. Therefore, the criticality of bondline flaws in composite scarf joints is analysed within this paper using finite element analysis (FEA). Experimental data is presented for scarf joints with various initial flaw sizes. As a result of both the experimental and FEA studies, it can be concluded that the strength of a scarf joint is considerably and adversely affected by the presence of a flaw.

Item URL in elib:https://elib.dlr.de/91093/
Document Type:Conference or Workshop Item (Speech)
Title:Experimental and Finite Elements Analysis of Bondline Flaw Criticality in Composite Scarf Joints
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kosmann, Jensjens.kosmann (at) dlr.deUNSPECIFIED
Holzhüter, Dirkdirk.holzhueter (at) dlr.deUNSPECIFIED
Gunnion, Andrew J.CRC ACS /ACS AustrailiaUNSPECIFIED
Hühne, Christianchristian.huehne (at) dlr.deUNSPECIFIED
Date:23 June 2014
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
ISBN:978-84-616-9798-4
Status:Published
Keywords:Scarf repair, bonded repair, damage tolerance, finite element analysis
Event Title:ECCM16 - 16TH EUROPEAN CONFERENCE ON COMPOSITE MATERIALS
Event Location:Spanien, Seville
Event Type:international Conference
Event Dates:22.-26. Juni 2014
Organizer:ECCM
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Kosmann, Jens
Deposited On:18 Mar 2015 08:19
Last Modified:18 Mar 2015 08:19

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